Roofing contractors · Massachusetts

Mahan Slate Roofing Co., Inc.

Agawam, MA · ~25 workers · 8 years of OSHA Injury Tracking Application data.

F
Failing Safety Record
7.0
Avg TCR
2.8
Industry avg
0
Fatalities
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The verdict

Mahan Slate Roofing Co., Inc. runs at 250% of its industry's injury rate - far more dangerous than the typical Roofing contractors workplace, earning a grade F.

Mahan Slate Roofing Co., Inc.: 7.0 TCR = 250% of Roofing contractors BLS 2.8 · 8y Form 300A (see methodology below)

Mahan Slate Roofing Co., Inc. safety composite

Mahan Slate Roofing Co., Inc. scores strongest on dart rate (safer than 79% of same-industry peers) and weakest on total case rate (tcr) (safer than 24%), blended into one 0-100 breakdown against same-industry peers. A missing measure drops out and redistributes its weight rather than deflating the score. This is a per-dimension breakdown, distinct from the single letter grade above it (which weights TCR alone against the BLS industry benchmark).

D

50/100

Percentile-weighted across 3 of 3 measures

Total Case Rate (TCR)
F 7.01 per 100 workers

Safer than 24% of industry peers

DART rate
B 0 per 100 workers

Safer than 79% of industry peers

Fatalities
D 0

Safer than 51% of industry peers

Benchmarked live against every credibly-rated employer in the same NAICS industry code in the current OSHA extract (a segment must have at least 8 rated peers to benchmark). Not a legal or compliance determination; PlainSafetyScore's own weighting (TCR 40%, DART 35%, fatalities 25%).

Rising injury rate

Mahan Slate Roofing Co., Inc.: 3.4 → 3.9 TCR

Peak year 2021 @ 19.6 TCR · DART/TCR 0× in 2024

Mahan Slate Roofing Co., Inc.'s TCR rose 0.5 from 3.4 in 2016 to 3.9 in 2024. Peak filing year was 2021 at 19.6 TCR. In 2024, DART was 0× this establishment's average TCR (severity share of cases).

OSHA ITA Form 300A scorecard

Establishment book 238160 · Agawam, MA ABOVE-IND · SMALL

Grade F · TCR 7.0 · 250% of ind

  • DART 0.0 DART
  • RANK #28/34
  • PHOTO Roof Services of NY
  • BOOK 8y book
  • INJ 15 inj
  • SIZE ~25 FTE

Nearest TCR peer: Roof Services of NY (0.0 TCR gap)

Read with this employer → · Industry book → · Massachusetts employers → · Look up another →

Mahan Slate Roofing Co., Inc. in the TCR neighbourhood

Average Total Case Rate among this establishment and nearest same-industry peers

TCR

What this shows Mahan Slate Roofing Co., Inc. averages 7.0 TCR (250% of the Roofing contractors BLS benchmark).

Source U.S. Department of Labor, OSHA Injury Tracking Application (Form 300A) As of 2026-08-25

Mahan Slate Roofing Co., Inc. TCR series: 2016=3.4 · 2018=12.7 · 2019=0 · 2020=8.3 · 2021=19.6 · 2022=4.2 · 2023=4 · 2024=3.9 · BLS 2.8

Where Mahan Slate Roofing Co., Inc. falls in its industry

1,723 Roofing contractors establishments

Safer than 24% of graded establishments in this industry, whose median TCR is 3.7.

More dangerous than peersSafer than peers

Narrower to Massachusetts alone (the establishments it most directly competes with for workers and contracts): ranked #28 safest of 34 Roofing contractors employers in Massachusetts.

Mahan Slate Roofing Co., Inc. (25 employees, TCR 7.0) among 29 same-industry peers, split at the industry median of 44 employees and a TCR of 3.7 2×2 strategic matrix plotting 30 entities by Average employees (X) and Total Case Rate (Y), with a crosshair dividing the plot into four quadrants. Larger & higher-riskSmaller & higher-riskLarger & saferSmaller & safer than peers 050100150 0102030 Average employees Total Case Rate Mahan Slate Roofing Co., Inc.
Mahan Slate Roofing Co., Inc. (25 employees, TCR 7.0) among 29 same-industry peers, split at the industry median of 44 employees and a TCR of 3.7

Mahan Slate Roofing Co., Inc. has fewer employees than the Roofing contractors median and a higher injury rate than the industry's median TCR of 3.7. Workforce size and injury rate do not always move together within the same industry -- some of its smaller peers run higher rates than its larger ones, and vice versa.

Year-by-Year Safety Data

Year TCR DART Injuries Illnesses Fatalities
2024 3.9 0.0 1 0 0
2023 4.0 0.0 1 0 0
2022 4.2 0.0 1 0 0
2021 19.6 3.9 5 0 0
2020 8.3 8.3 2 0 0
2019 0.0 0.0 0 0 0
2018 12.7 6.4 4 0 0
2016 3.4 3.4 1 0 0

OSHA ITA peer cross-reference

Establishment peer ledger

238160 · MA · Agawam

1,723 Roofing contractors employers nationwide with a credible TCR · 10,108 rated employers in Massachusetts with headcount on file · 65 employers in Agawam, MA · 4 cross-state NAT-TCR peers · 4 cross-state NAT-SIZE peers. Closest matches by relationship code are listed below.

Rel Establishment Metric
NAICS-TCR Roof Services of NY 7.0 TCR
NAICS-TCR Best Roofing Services, LLC 7.0 TCR
NAICS-TCR Sprayfoam's Roofing Southwest 7.0 TCR
NAICS-TCR Combined Roofing Services LLC 7.0 TCR
STATE-SIZE GREAT BARRINGTON-MA11 25 FTE
STATE-SIZE HANOVER-MA12 25 FTE
STATE-SIZE Eversource - Marshfield 25 FTE
STATE-SIZE Knollmeyer Building Corp. - 01 25 FTE
CITY-NEAR Johnson Real Estate Investors, Inc 656 FTE
CITY-NEAR OMG, Inc. 517 FTE
CITY-NEAR ABC Express Delivery, Inc. 475 FTE
CITY-NEAR Diana's Bakery 308 FTE
NAT-TCR R. J. Corman, My Old Kentucky Dinner Train, LLC 7.0 TCR
NAT-TCR The Fresh Market 189 7.0 TCR
NAT-TCR Masonicare Home Health & Hospice - Greater Hartford 7.0 TCR
NAT-TCR Princeton Save-A-Lot 7.0 TCR
NAT-SIZE Key Dies Inc 25 FTE
NAT-SIZE East Earl Store 25 FTE
NAT-SIZE Cressona Store 25 FTE
NAT-SIZE Vcf 086 25 FTE

Rel codes: NAICS-TCR · STATE-SIZE · CITY-NEAR · NAT-TCR/NAT-SIZE cross-state. Read with this employer →

Data Source: OSHA Injury Tracking Application (ITA), mandatory establishment-level injury/illness reports. Grades compare employer Total Case Rate (TCR) to BLS IIF industry benchmarks. Data covers years reported by this establishment: 2024, 2023, 2022, 2021, 2020, 2019, 2018, 2016. This is publicly available government data - not a legal determination of workplace conditions.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from official public datasets. See our methodology for details.